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Protomotive mini Bosch style 3.8 bar fuel pressure regulator for Porsche and other vehicles
Bosch Fuel Pressure Regulator Cad Drawing
Bosch mini fuel pressure regulator mounting dimensions

3.8 bar fuel pressure regulator

$135.00

fuel pressure regulator

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3.8 bar fuel pressure regulator

What is it?

  • The 3.8 bar fuel pressure regulator is an OE Replacement for any Bosch mini style fuel pressure regulator
  • It has Viton oring and seals for E85 capability
  • It outflows the Classic Bosch™  fpr in bench tests by 30% for better regulation with high flow fuel systems.
  • Whether you are seeking performance or simply a higher quality replacement, these are a great solution.
  • If you’re after a 5 bar version of the same regulator, click here

Vehicle Fitment and application

  • Porsche 993 Carrera
  • Porsche 993 Turbo
  • Porsche 996 Carrera ¹
  • Porsche 996 Turbo
  • Porsche Boxster ¹
  • Porsche Caymans ¹
  • Porsche 997.1 Carrera ¹
  • Porsche 997.1 turbo
  • Porsche 997 GT2 RS
  • Porsche GT3
  • And only a few thousand other cars from manufacturers worldwide!
  • Note ¹: For returnless fuel systems, the fpr is located in the fuel tank inside the white plastic part above the fuel pump.

How many fpr’s do I get with this purchase?

  • Quantity 1 = One fuel pressure regulator
  • The photo is showing different views of the same regulator for clarity.

Part number cross references:

  • 99311019901, 993-110-199-01, 993.110.199.01
  • 99311019981, 993-110-199-81, 993.110.199.81
  • 99311019982, 993-110-199-82, 993.110.199.82
  • 99711019970, 997.110.199.70, 997-110-199-70
  • Bosch 0280160575
  • 0280.B02.722-03 (Bosch Fuel Pressure Regulator Mini 5)

Where can I learn more about the Porsche fuel system?

Installation Notes

  • The tube connector at the housing can be used to supply reference pressure to the regulator. This can be atmospheric pressure, air box pressure or manifold pressure
  • Never run the regulator without the integrated filter
  • Please oil O-rings lightly with clean and silicone free engine oil before you install the regulator
  • Please make a leak test after you have installed the regulator
  • When the pressure regulator is removed and will be reused, the O-rings must be tested for fractures
  • This pressure regulator is designed for in-tank and external mounting
Weight 1 lbs
Dimensions 4 × 4 × 4 in

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